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L-Histidine

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Description

CAS No.: 71-00-1
Appearance White, crystalline powder or colourless crystals
State of solution Clear and not more
intensely coloured than
reference solution BY7
Specific rotation +11.4~+12.4°
Ninhydrin-positive substances Not more intense than the
spot in the chromatogram obtained with reference
solution (0.5%)
Chloride ≤200ppm
Sulfate ≤300ppm
Ammonium ≤200ppm
Iron ≤10ppm
Heavy metals ≤10ppm
Loss on drying ≤0.50%
Sulphated ash ≤0.10%
Assay 98.5~101.0%
The Product Conforms to EP5

nutritional supplements, amino acids,

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NINGBO CREATE BIOLOGICAL PROJECT CO.,LTD

amino acids

Address: GENGYU RD.,GUISI INDUSTRY ZONE,NINGBO 315206 CHINA,
ningbo, Zhejiang
China, 315206

Tel: 86-574-86556101
Fax: 86-574-86553222

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